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1/*
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#ifndef CALIB_H
18#define CALIB_H
19
20#include "hw.h"
21
22#define AR_PHY_CCA_FILTERWINDOW_LENGTH_INIT 3
23#define AR_PHY_CCA_FILTERWINDOW_LENGTH 5
24
25#define NUM_NF_READINGS 6
26#define ATH9K_NF_CAL_HIST_MAX 5
27
28struct ar5416IniArray {
29 u32 *ia_array;
30 u32 ia_rows;
31 u32 ia_columns;
32};
33
34#define INIT_INI_ARRAY(iniarray, array, rows, columns) do { \
35 (iniarray)->ia_array = (u32 *)(array); \
36 (iniarray)->ia_rows = (rows); \
37 (iniarray)->ia_columns = (columns); \
38 } while (0)
39
40#define INI_RA(iniarray, row, column) \
41 (((iniarray)->ia_array)[(row) * ((iniarray)->ia_columns) + (column)])
42
43#define INIT_CAL(_perCal) do { \
44 (_perCal)->calState = CAL_WAITING; \
45 (_perCal)->calNext = NULL; \
46 } while (0)
47
48#define INSERT_CAL(_ahp, _perCal) \
49 do { \
50 if ((_ahp)->cal_list_last == NULL) { \
51 (_ahp)->cal_list = \
52 (_ahp)->cal_list_last = (_perCal); \
53 ((_ahp)->cal_list_last)->calNext = (_perCal); \
54 } else { \
55 ((_ahp)->cal_list_last)->calNext = (_perCal); \
56 (_ahp)->cal_list_last = (_perCal); \
57 (_perCal)->calNext = (_ahp)->cal_list; \
58 } \
59 } while (0)
60
61enum ath9k_cal_state {
62 CAL_INACTIVE,
63 CAL_WAITING,
64 CAL_RUNNING,
65 CAL_DONE
66};
67
68#define MIN_CAL_SAMPLES 1
69#define MAX_CAL_SAMPLES 64
70#define INIT_LOG_COUNT 5
71#define PER_MIN_LOG_COUNT 2
72#define PER_MAX_LOG_COUNT 10
73
74struct ath9k_percal_data {
75 u32 calType;
76 u32 calNumSamples;
77 u32 calCountMax;
78 void (*calCollect) (struct ath_hw *);
79 void (*calPostProc) (struct ath_hw *, u8);
80};
81
82struct ath9k_cal_list {
83 const struct ath9k_percal_data *calData;
84 enum ath9k_cal_state calState;
85 struct ath9k_cal_list *calNext;
86};
87
88struct ath9k_nfcal_hist {
89 int16_t nfCalBuffer[ATH9K_NF_CAL_HIST_MAX];
90 u8 currIndex;
91 int16_t privNF;
92 u8 invalidNFcount;
93};
94
95#define MAX_PACAL_SKIPCOUNT 8
96struct ath9k_pacal_info{
97 int32_t prev_offset; /* Previous value of PA offset value */
98 int8_t max_skipcount; /* Max No. of times PACAL can be skipped */
99 int8_t skipcount; /* No. of times the PACAL to be skipped */
100};
101
102bool ath9k_hw_reset_calvalid(struct ath_hw *ah);
103void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update);
104void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
105bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan);
106void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
107 struct ath9k_channel *chan);
108void ath9k_hw_bstuck_nfcal(struct ath_hw *ah);
109void ath9k_hw_reset_calibration(struct ath_hw *ah,
110 struct ath9k_cal_list *currCal);
111
112
113#endif /* CALIB_H */
1/*
2 * Copyright (c) 2008-2011 Atheros Communications Inc.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#ifndef CALIB_H
18#define CALIB_H
19
20#include "hw.h"
21
22#define AR_PHY_CCA_FILTERWINDOW_LENGTH 5
23
24#define NUM_NF_READINGS 6
25#define ATH9K_NF_CAL_HIST_MAX 5
26
27struct ar5416IniArray {
28 u32 *ia_array;
29 u32 ia_rows;
30 u32 ia_columns;
31};
32
33#define INIT_INI_ARRAY(iniarray, array, rows, columns) do { \
34 (iniarray)->ia_array = (u32 *)(array); \
35 (iniarray)->ia_rows = (rows); \
36 (iniarray)->ia_columns = (columns); \
37 } while (0)
38
39#define INI_RA(iniarray, row, column) \
40 (((iniarray)->ia_array)[(row) * ((iniarray)->ia_columns) + (column)])
41
42#define INIT_CAL(_perCal) do { \
43 (_perCal)->calState = CAL_WAITING; \
44 (_perCal)->calNext = NULL; \
45 } while (0)
46
47#define INSERT_CAL(_ahp, _perCal) \
48 do { \
49 if ((_ahp)->cal_list_last == NULL) { \
50 (_ahp)->cal_list = \
51 (_ahp)->cal_list_last = (_perCal); \
52 ((_ahp)->cal_list_last)->calNext = (_perCal); \
53 } else { \
54 ((_ahp)->cal_list_last)->calNext = (_perCal); \
55 (_ahp)->cal_list_last = (_perCal); \
56 (_perCal)->calNext = (_ahp)->cal_list; \
57 } \
58 } while (0)
59
60enum ath9k_cal_state {
61 CAL_INACTIVE,
62 CAL_WAITING,
63 CAL_RUNNING,
64 CAL_DONE
65};
66
67#define MIN_CAL_SAMPLES 1
68#define MAX_CAL_SAMPLES 64
69#define INIT_LOG_COUNT 5
70#define PER_MIN_LOG_COUNT 2
71#define PER_MAX_LOG_COUNT 10
72
73struct ath9k_percal_data {
74 u32 calType;
75 u32 calNumSamples;
76 u32 calCountMax;
77 void (*calCollect) (struct ath_hw *);
78 void (*calPostProc) (struct ath_hw *, u8);
79};
80
81struct ath9k_cal_list {
82 const struct ath9k_percal_data *calData;
83 enum ath9k_cal_state calState;
84 struct ath9k_cal_list *calNext;
85};
86
87struct ath9k_nfcal_hist {
88 int16_t nfCalBuffer[ATH9K_NF_CAL_HIST_MAX];
89 u8 currIndex;
90 int16_t privNF;
91 u8 invalidNFcount;
92};
93
94#define MAX_PACAL_SKIPCOUNT 8
95struct ath9k_pacal_info{
96 int32_t prev_offset; /* Previous value of PA offset value */
97 int8_t max_skipcount; /* Max No. of times PACAL can be skipped */
98 int8_t skipcount; /* No. of times the PACAL to be skipped */
99};
100
101bool ath9k_hw_reset_calvalid(struct ath_hw *ah);
102void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update);
103void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
104bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan);
105void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
106 struct ath9k_channel *chan);
107void ath9k_hw_bstuck_nfcal(struct ath_hw *ah);
108void ath9k_hw_reset_calibration(struct ath_hw *ah,
109 struct ath9k_cal_list *currCal);
110s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);
111
112
113#endif /* CALIB_H */